This one seems more authoritative: http://i.imgur.com/xDLKS.gif

Yeah, I'm partial to "Old Freebie"

Very nice, I believe that's the image that shipped with Voyager-I 30 years ago. It's actually a map that you can use to locate Earth based on known pulsar distances, sort of a galactic GPS coordinates.

Some earlier efforts: http://en.wikipedia.org/wiki/Flag_of_the_Earth

Looks good to me, somebody fly it up

I accept this flag.